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Make scanlines and grille non-destructive #5

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Make scanlines and grille non-destructive #5

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8 changes: 4 additions & 4 deletions crt_shader.shader
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Original file line number Diff line number Diff line change
Expand Up @@ -35,15 +35,15 @@ void DrawVignette(inout vec3 color, vec2 uv) {
}

void DrawScanline(inout vec3 color, vec2 uv, float time) {
float scanline = clamp((scanlines_opacity - 0.05) + 0.05 * sin(3.1415926535 * (uv.y + 0.008 * time) * screen_size.y), 0.0, 1.0);
float grille = (grille_opacity - 0.15) + 0.15 * clamp(1.5 * sin(3.1415926535 * uv.x * screen_size.x), 0.0, 1.0);
float scanline = clamp(sin(3.1415926535 * (uv.y + 0.008 * time) * screen_size.y), 0.0, 1.0);
float grille = clamp(1.5 * sin(3.1415926535 * uv.x * screen_size.x), 0.0, 1.0);

if (show_scanlines) {
color *= scanline;
color *= (1.0 - scanlines_opacity * scanline);
}

if (show_grille) {
color *= grille;
color *= (1.0 - grille_opacity * grille);
}

color *= boost;
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